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display.c

/*
 * Display setup code for the Merisc board
 *
 * Copyright (C) 2008 Martinsson Elektronik AB
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/fb.h>
#include <video/atmel_lcdc.h>
#include <asm/setup.h>
#include <mach/board.h>
#include "merisc.h"

static struct fb_videomode merisc_fb_videomode[] = {
      {
            .refresh    = 44,
            .xres       = 640,
            .yres       = 480,
            .left_margin      = 96,
            .right_margin     = 96,
            .upper_margin     = 34,
            .lower_margin     = 8,
            .hsync_len  = 64,
            .vsync_len  = 64,
            .name       = "640x480 @ 44",
            .pixclock   = KHZ2PICOS(25180),
            .sync       = 0,
            .vmode            = FB_VMODE_NONINTERLACED,
      },
};

static struct fb_monspecs merisc_fb_monspecs = {
      .manufacturer     = "Kyo",
      .monitor    = "TCG075VG2AD",
      .modedb           = merisc_fb_videomode,
      .modedb_len = ARRAY_SIZE(merisc_fb_videomode),
      .hfmin            = 30000,
      .hfmax            = 33333,
      .vfmin            = 60,
      .vfmax            = 90,
      .dclkmax    = 30000000,
};

struct atmel_lcdfb_info merisc_lcdc_data = {
      .default_bpp            = 24,
      .default_dmacon         = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
      .default_lcdcon2  = (ATMEL_LCDC_DISTYPE_TFT
                           | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
                           | ATMEL_LCDC_MEMOR_BIG),
      .default_monspecs = &merisc_fb_monspecs,
      .guard_time       = 2,
};

static int __init merisc_display_init(void)
{
      at32_add_device_lcdc(0, &merisc_lcdc_data, fbmem_start,
                       fbmem_size, 0);

      return 0;
}
device_initcall(merisc_display_init);

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